ISNUMERIC

Script Function: Checks if a string is numeric

Syntax

ISNUMERIC (String)

Syntax

Description/Format

String

Character string which should be checked
Format: script literal or script variable


Return codes

"Y" - the string is numeric
"N" - the string is not numeric

With this script function, you can check whether or not all characters of a String are numeric.

Examples

Both of the examples shown below supply the result "Y".

:SET &RET#=ISNUMERIC("123")
:
PRINT &RET#

:SET &RET#=ISNUMERIC("00123")
:
PRINT &RET#

In the following example, the string is not numeric and value "N" is returned.

:SET &RET#=ISNUMERIC("1abc")
:
PRINT &RET#

See also:

seealso

Script Elements for Editing Strings